Dr. Mikhail Grzhibek, MD
- Medicare services, 2024
- 3,450
- Medicare patients, 2024
- 356
- Part D claims, 2024
- 5,484
- Hospital affiliations
- 1
- Industry payments
- $5,037
- Practice address
- 101 Hospital Road, Patchogue, NY 11772
- Practice phone
- Call (631) 654-7100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grzhibek's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mikhail Grzhibek is an internist in Patchogue, New York
Dr. Grzhibek practices at NYU Langone Hospital-Suffolk in Patchogue, New York, part of NYU.
Dr. Grzhibek's NPI, 1629033709, was assigned on April 20, 2006. Dr. Grzhibek graduated from SUNY Upstate Medical University in 2003. Dr. Grzhibek holds New York license 239339.
- NPI
- 1629033709NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779588835
- NPI enumeration date
- April 20, 2006
- NPI status
- Active
- Practice phone
- (631) 654-7100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mikhail Grzhibek practices at NYU Langone Hospital-Suffolk in Patchogue, New York
Dr. Grzhibek's primary practice is NYU Langone Hospital-Suffolk, at 101 Hospital Road, Patchogue, NY 11772 in Suffolk County. The practice phone is (631) 654-7100.
- NYU Langone Hospital-Suffolk101 Hospital Road, Patchogue, NY 11772 · Suffolk CountyPhone(631) 654-7100
Source: Dmand AI Affiliation Data
Dr. Mikhail Grzhibek is affiliated with 8 sites of care and 1 medical group
Dr. Grzhibek's primary practice is NYU Langone Hospital-Suffolk in Patchogue, New York, part of NYU. The medical group on file is New York Cancer & Blood Specialists. Dmand AI also links Dr. Grzhibek to 4 more home health agencies, 1 physician office, 1 group practice or clinic and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mikhail Grzhibek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grzhibek practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYU Langone Hospital-Suffolk | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mikhail Grzhibek is one of 9,643 internists in New York
Internal medicine is Dr. Grzhibek's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grzhibek is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Grzhibek
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mikhail Grzhibek billed Medicare for 3,450 services in 2024
CMS data shows 3,450 Medicare services from Dr. Grzhibek across 22 procedure codes in 2024, for 356 Medicare patients. Medicare paid $277,625 for them.
Dr. Grzhibek's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,4282024: 2,2159%
- Lab and pathology
- 2023: 3772024: 41310%
- Other services
- 2023: 4112024: 3876%
- Tests and treatments
- 2023: 2812024: 2955%
- Surgery
- 2023: 1362024: 1403%
Where Dr. Grzhibek's Medicare services took place, 2024
- In an office3,17992%
- In a facility2718%
Dr. Grzhibek compared with the New York median for internists, 2024
- Dr. Grzhibek
- New York median
- Medicare services
- 3,450vs 4268.1 times
- Medicare patients
- 356vs 1582.3 times
- Part D claims
- 4,905vs 6227.9 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Grzhibek's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Grzhibek?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grzhibek and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mikhail Grzhibek treated 356 Medicare patients in 2024, average age 79
CMS counts 356 Medicare patients who saw Dr. Grzhibek in 2024. The largest group is 75 to 84, with 168 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Grzhibek's median patient age at 78, with 51% women.
Dr. Grzhibek's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grzhibek's Medicare patients by sex, 2024
- Women19053%
- Men16647%
Chronic conditions among Dr. Grzhibek's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes63%
- Arthritis53%
- Ischemic heart disease45%
- Mood disorders33%
- Anxiety32%
- Atrial fibrillation31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grzhibek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mikhail Grzhibek wrote 5,484 Medicare Part D claims in 2024
In 2024, Dr. Grzhibek wrote 5,484 Medicare Part D claims for 351 patients. 86% of them were for generic drugs. CMS names the drug for 4,905 of them, across 105 drugs with 11 or more claims each, at $451,841 in total drug cost. In 2023, CMS named 4,945 claims across 101 drugs.
Dr. Grzhibek's Part D claims by kind of drug, 2024
- Generic4,713 claims86%
- Brand-name and other771 claims14%
Dr. Grzhibek's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Grzhibek's Part D claims, 2024
- Opioids1%54 of 5,484 claims
- Antibiotics3%179 of 5,484 claims
- Antipsychotics, patients 65 and over1%40 of 5,484 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,9452024: 4,9051%
Drugs named by CMS: 105 in 2024, 101 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Mikhail Grzhibek received $5,037 in industry payments from 2016 to 2025
CMS Open Payments shows 200 general payments to Dr. Grzhibek from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $735.
General payments to Dr. Grzhibek by program year, 2016 to 2025
General payments to Dr. Grzhibek by kind, 2016 to 2025
- Food and beverage$5,025100%
- Education$120%
Companies that paid Dr. Grzhibek the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mikhail Grzhibek graduated from SUNY Upstate Medical University
Dr. Grzhibek graduated from SUNY Upstate Medical University in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mikhail Grzhibek's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mikhail Grzhibek
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mikhail Grzhibek's NPI number?
Dr. Mikhail Grzhibek's NPI number is 1629033709. It was assigned on April 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mikhail Grzhibek?
Dr. Mikhail Grzhibek is an internist in Patchogue, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mikhail Grzhibek practice?
Dr. Grzhibek practices at 101 Hospital Road, Patchogue, NY 11772. Dr. Grzhibek's primary practice is NYU Langone Hospital-Suffolk in Patchogue, New York, part of NYU. Dmand AI also links Dr. Grzhibek to 4 home health agencies, 1 physician office, 1 group practice or clinic and 1 skilled nursing facility.
What is Dr. Mikhail Grzhibek's office phone number?
The practice phone on file for Dr. Grzhibek is (631) 654-7100.
What is Dr. Mikhail Grzhibek's medical license number?
Dr. Grzhibek holds New York license 239339.
Which hospitals is Dr. Mikhail Grzhibek affiliated with?
Dr. Grzhibek practices at NYU Langone Hospital-Suffolk in Patchogue, New York.
What medical group is Dr. Mikhail Grzhibek part of?
Dr. Grzhibek is linked to New York Cancer & Blood Specialists.
Does Dr. Mikhail Grzhibek accept Medicare?
Yes. CMS data shows Dr. Grzhibek billed Medicare for 3,450 services in 2024.
How many Medicare patients does Dr. Mikhail Grzhibek see?
CMS counts 356 Medicare patients who saw Dr. Grzhibek in 2024, with an average age of 79.
What services does Dr. Mikhail Grzhibek bill to Medicare?
In 2024, Dr. Grzhibek's most billed Medicare services were office visit, established patient (99214), nursing facility care (99309) and lab and pathology test (81002).
Show 4 more questionsShow fewer questions
Where did Dr. Mikhail Grzhibek go to medical school?
Dr. Grzhibek graduated from SUNY Upstate Medical University in 2003.
What drugs does Dr. Mikhail Grzhibek prescribe most?
In 2024 Medicare Part D data, Dr. Grzhibek's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Mikhail Grzhibek received payments from drug or device companies?
CMS Open Payments shows $5,037 in general payments to Dr. Grzhibek from 32 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Mikhail Grzhibek been practicing?
Dr. Grzhibek graduated from medical school in 2003, 23 years ago.
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